3361 Orpheus
Last update: 2022-08-07 23:50 UTC
Observational Information
  • Arc Length
  • Unobserved
Arc Information
Value
Unit
Source
Arc Length
Value
14537
Unit
d
Source
[1]
Unobserved
Value
179
Unit
d
Source
[1]
Astrometry Summary
  • RMS of Residuals
  • First Observation
  • Last Observation
  • Total Optical Observations (Discarded)
Optical
Value
Unit
Source
RMS of Residuals
Value
0.468323
Unit
arcsec
Source
[1]
First Observation
Value
1982-04-24.29999
Unit
-
Source
[2]
Last Observation
Value
2022-02-10.37926
Unit
-
Source
[2]
Total Optical Observations (Discarded)
Value
1170 (14)
Unit
-
Source
[1]
Radar Summary
  • First Observation
  • Last Observation
  • Delay (Discarded)
  • Doppler (Discarded)
  • Total Optical Observations (Discarded)
Radar
Value
Unit
Source
First Observation
Value
2021-11-13
Unit
-
Source
[3]
Last Observation
Value
2021-11-14
Unit
-
Source
[3]
Delay (Discarded)
Value
2 (0)
Unit
-
Source
[1]
Doppler (Discarded)
Value
0 (0)
Unit
-
Source
[1]
Total Radar Observations (Discarded)
Value
2 (0)
Unit
-
Source
[1]
Note: The ASCII file is in a format suitable for Orbfit input.

Sources

No.NameAdditional
[1]ESA ODIMESA orbit determination and impact monitoring system
[2]MPCMinor Planet Center: https://www.minorplanetcenter.net
[3]JPL Radar ObservationsJet Propulsion Laboratory: https://ssd.jpl.nasa.gov/dat/radar_data_ast.txt